• Title/Summary/Keyword: 제당

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Delineation of water seepage in earth-fill embankments by electrical resistivity method (전기비저항탐사에 의한 제당의 누수구간 탐지)

  • 정승환;김정호;양재만;한규언;김영웅
    • The Journal of Engineering Geology
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    • v.2 no.1
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    • pp.47-57
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    • 1992
  • Geophysical methods applied to water seepage problem in earth-fill embankment attempt to detect and map the estimate of size and depth of the seepage path. Seepage zones generally produce lOW resistivity anomalies due to high saturation of water. Dipole-dipole resistivity surveying technique, which is actually a combined sounding-profiling procedure, was used to delineate the seepage path through this study. In this study, the finite difference methods to solve the electric potential distribution in 2 112 dimension, was adopted as the numerical scheme for the forward problem. Second order Marquart's method, one the iterative damped least square methods, was selected for the automatic inversion. The computer program was implemented in FORTRAN 77 for 1 6-bit personal computer. In this paper, we present a case history which illustrates the application of dipole-dipole resistivity method to the delineation of water flow in earth-fill structures. Also the automatic two-dimensional resistivity inversion was applied to a field data where the interpretive advantages of the program become evident.

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Dam seepage investigation using two- and three-dimensional resistivity surveys (2차원 및 3차원 전기비저항 탐사를 이용한 제당 누수 조사)

  • Yi Myeong-Jong;Kim Jung-Ho;Song Yoonho;Chung Seung-Hwan
    • 한국지구물리탐사학회:학술대회논문집
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    • 2000.09a
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    • pp.41-53
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    • 2000
  • Electrical resistivity survey is widely applied to the dam seepage problems. Main purpose of the resistivity survey is to delineate the inhomogeneity in the dam. In this study, two- (2-D) and three-dimensional (3-D) resistivity survey methodology and corresponding interpretations of the data have been analyzed using 3-D resistivity modeling results. Since resistivity structures beneath the dam and its shape are 3-D in nature, we could get more accurate image of the dam structures using 3-D survey compared to 2-D survey even though we cannot employ the grid-shape survey layout.

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CTO/CEO에게 듣는다-윤세왕 대한제당 중앙연구소장

  • Korean Federation of Science and Technology Societies
    • The Science & Technology
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    • no.3 s.454
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    • pp.78-81
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    • 2007
  • 윤세왕 소장(부사장)은 서울대학교 기계공학과 졸업 후 UCLA에서 화학공학 석사 및 박사학위를 받았다. 지난 1997년 대한제당 중앙연구소 소장으로 부임하기 전까지 고집광형 태양광 업체인 AMONIX의 기술부사장을 거쳐 1994년 애리조나에 20kW 고집광 태양전지 발전소를 설치해 R&D상을 수상하기도한 윤소장을 지면을 통해 만나본다.

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